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Fizika Tverdogo Tela, 2020, Volume 62, Issue 1, Pages 32–35
DOI: https://doi.org/10.21883/FTT.2020.01.48728.52ks
(Mi ftt8512)
 

International Conference "Mechanisms and Nonlinear Problems of Nucleation, Growth of Crystals and Thin Films", dedicated to the memory of the outstanding theoretical physicist Professor V.V. Slezov (Proceedings) Saint Petersburg, July 1-5, 2019
Phase transitions

Synthesis and growth of CrSi$_{2}$ crystals from a Zn solution–melt during spontaneous crystallization in noninertial systems in conditions of space station and in terrestrial conditions

E. V. Kalashnikovab, V. N. Gurinb, S. P. Nikanorovb, L. I. Derkachenkob, M. A. Yagovkinab

a Moscow State Region University
b Ioffe Institute, St. Petersburg
Abstract: The effect of the terrestrial gravitation field on crystal growth from a solution–melt during spontaneous crystallization is considered, taking into account that the space station (SS) and a laboratory at the Earth, in which the crystallization processes occur, are a noninertial system. It is shown that the specific feature that distinguishes the crystal growth in the terrestrial conditions is the pressure in the melt caused by the supporting force (the Newton third law). This pressure is absent at SS, and this fact leads to an increase in the unit cell of the melt that undergoes the first-order phase transition. As a result, the crystals grown at the SS have larger sizes than the same crystals grown in terrestrial conditions. They also exhibit an excess stress, the value of which is equal to the support pressure, which is absent at the SS. This situation is compared to the experimental data on growing CrSi$_2$ crystals from a solution–melt in Zn of the Cr–Si–Zn system.
Keywords: spontaneous crystallization, solution-melt, noninertial system, supporting force, zero-gravity, nonwettability, chemical potential.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 0040-2014-0007
This work was supported in part by the Ministry of Education and Science of the Russian Federation (project identifier RFMEF162117X0018) in the framework of studies by theme 9.7 (0040-2014-0007).
Received: 16.07.2019
Revised: 16.07.2019
Accepted: 25.07.2019
English version:
Physics of the Solid State, 2020, Volume 62, Issue 1, Pages 34–37
DOI: https://doi.org/10.1134/S106378342001014X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: E. V. Kalashnikov, V. N. Gurin, S. P. Nikanorov, L. I. Derkachenko, M. A. Yagovkina, “Synthesis and growth of CrSi$_{2}$ crystals from a Zn solution–melt during spontaneous crystallization in noninertial systems in conditions of space station and in terrestrial conditions”, Fizika Tverdogo Tela, 62:1 (2020), 32–35; Phys. Solid State, 62:1 (2020), 34–37
Citation in format AMSBIB
\Bibitem{KalGurNik20}
\by E.~V.~Kalashnikov, V.~N.~Gurin, S.~P.~Nikanorov, L.~I.~Derkachenko, M.~A.~Yagovkina
\paper Synthesis and growth of CrSi$_{2}$ crystals from a Zn solution–melt during spontaneous crystallization in noninertial systems in conditions of space station and in terrestrial conditions
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 1
\pages 32--35
\mathnet{http://mi.mathnet.ru/ftt8512}
\crossref{https://doi.org/10.21883/FTT.2020.01.48728.52ks}
\elib{https://elibrary.ru/item.asp?id=42571175}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 1
\pages 34--37
\crossref{https://doi.org/10.1134/S106378342001014X}
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